field user_name doesn't have a default value

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
field user_name doesn't have a default value	1.73	0.4	8635	97	44
field	2	0.9	464	69	5
user_name	0.71	0.4	3303	32	9
doesn't	0.93	0.9	6915	68	7
have	1.13	0.1	1347	26	4
a	1.47	0.5	2100	53	1
default	0.25	0.3	6173	81	7
value	1.74	0.7	8433	34	5

Keyword	CPC	PCC	Volume	Score
field user_name doesn't have a default value	1.09	0.4	8061	86
field user_code doesn't have a default value	0.58	0.2	9175	25
field user_id doesn't have a default value	0.24	0.3	7905	71
field user_type doesn't have a default value	1.72	0.5	1362	26
field name doesn't have a default value	0.25	0.4	8929	96
field type_name doesn't have a default value	0.31	1	7173	81
field dept_name doesn't have a default value	1.94	0.4	725	17
field userid doesn't have a default value	1.38	0.4	8486	48
field item_name doesn't have a default value	1.11	0.6	2061	46
field owner_id doesn't have a default value	1.33	0.7	9934	18
field file_name doesn't have a default value	1.82	0.9	7025	27
field real_name doesn't have a default value	0.4	0.6	6182	57
field u_id doesn't have a default value	0.75	0.5	9545	24
field menu_name doesn't have a default value	0.24	1	8825	43
field role_name doesn't have a default value	0.09	0.5	2463	90
field person_id doesn't have a default value	1.01	0.8	5016	16
field login_name doesn't have a default value	0.63	0.9	7348	7
field member_id doesn't have a default value	0.1	0.8	3984	73
field username is not set	0.68	0.5	6008	52